JPS59166736A - Vibro-isolating device - Google Patents
Vibro-isolating deviceInfo
- Publication number
- JPS59166736A JPS59166736A JP4008383A JP4008383A JPS59166736A JP S59166736 A JPS59166736 A JP S59166736A JP 4008383 A JP4008383 A JP 4008383A JP 4008383 A JP4008383 A JP 4008383A JP S59166736 A JPS59166736 A JP S59166736A
- Authority
- JP
- Japan
- Prior art keywords
- vibration
- rubber
- vibro
- vibrating body
- vibration isolating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
- F16F1/42—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by the mode of stressing
- F16F1/422—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by the mode of stressing the stressing resulting in flexion of the spring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2236/00—Mode of stressing of basic spring or damper elements or devices incorporating such elements
- F16F2236/02—Mode of stressing of basic spring or damper elements or devices incorporating such elements the stressing resulting in flexion of the spring
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は中空の防振ゴムを介して振動体を支持する防振
支持装置に関する。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a vibration isolating support device that supports a vibrating body through a hollow vibration isolating rubber.
従来例の構成とその問題点
従来の防振装置は第１図（ａ）に示すように中空の防振
ゴム（１）の形状が筒型、又は第１図（ｂ）図に示すご
とく防振ゴム（２）の形状が若干のくびれ部（２ａ）を
有するように成形され、振動体（３）の支持板（４）と
固定台（５）の間に装着してあった。Structure of the conventional example and its problems In the conventional vibration isolator, the shape of the hollow vibration isolator (1) is cylindrical as shown in FIG. 1(a), or the shape of the hollow vibration isolator is cylindrical as shown in FIG. The vibrating rubber (2) was shaped to have a slight constriction (2a), and was mounted between the support plate (4) of the vibrating body (3) and the fixed base (5).
又、防振ゴム（１）の中空部は上部（１ａ）で細くなり
、中空部上部（１ａ）は固定台（５）に溶接にて固定さ
れたピン（６）に近接するよう設けられ、防振ゴム（１
）下部（１ｂ）はピン（６）に接触するように配設され
ている。In addition, the hollow part of the vibration isolating rubber (1) becomes thinner at the upper part (1a), and the upper part (1a) of the hollow part is provided close to the pin (6) fixed to the fixed base (5) by welding. Anti-vibration rubber (1
) The lower part (1b) is arranged so as to contact the pin (6).
ピン（６）は上部にねじ部（６ａ）を有し、下部は皿状
に成形されたつば部（６ｂ）が設けてあり、つば部（６
ｂ）は固定台（５）に溶接され、ピン（６）は固定台に
固定されている。The pin (6) has a threaded portion (6a) at the top, and a dish-shaped collar (6b) at the bottom.
b) is welded to the fixed base (5), and the pin (6) is fixed to the fixed base.
又、振動体（３）の支持板（４）は防振ゴム（１）の上
部外周面に設けた切込部（ＩＣ）に嵌合されており、支
持板（４）を介して振動体（３）は支持されている−０
（７）はワンシャ付ナツトてｔ°ン（６）の上部に設け
られたねし部（６ａ）にねじ込まれ振動体（３）が固定
台（５）から抜は落ちないようになっている。Further, the support plate (4) of the vibrating body (3) is fitted into an incision (IC) provided on the upper outer peripheral surface of the vibration isolating rubber (1), and the vibrating body is connected to the vibrating body through the support plate (4). (3) is supported −0
(7) is screwed into a threaded portion (6a) provided at the top of the ton (6) to prevent the vibrating body (3) from falling off the fixed base (5).
しかしながら防振ゴム（１，１は、振動体（３）を支承
するため前記防振ゴム（１）の外径部（１ｄ）、内径部
（１θ）間の肉厚及び防振ゴム（２）のくびれ部（２ａ
）の外径部、内径部（２の間の肉厚を大きくとり振動体
（３）を支承する際に座屈しないようにする必要があっ
た。However, the vibration isolating rubber (1, 1 is the thickness between the outer diameter part (1d) and the inner diameter part (1θ) of the vibration isolating rubber (1) and the vibration isolating rubber (2) to support the vibrating body (3). Narrow part (2a
) It was necessary to increase the wall thickness between the outer diameter part and the inner diameter part (2) to prevent buckling when supporting the vibrating body (3).
前記のように従来の防振ゴムは肉厚を比較的大きくする
必要があったため、防振ゴムの圧縮、剪断方向のはね定
数は比較的高く、防振性能を高めるため肉厚を小さくす
ると、振動体（３）の支承時に座屈する等の欠点があり
、防振性能を高めるために圧縮、剪断方向のばね定数を
非常に小さくするには限度があった。As mentioned above, conventional anti-vibration rubber had to have a relatively large wall thickness, so the resiliency constant of the anti-vibration rubber in the compression and shear directions was relatively high. However, there are drawbacks such as buckling when the vibrating body (3) is supported, and there is a limit to how the spring constant in the compression and shear directions can be made very small in order to improve the vibration damping performance.
発明の目的
本発明は従来の防振ゴムのよう座屈せず、圧縮、剪断方
向のはね定数を従来に比し小さくできる防振ゴムを装着
した防振支持装置を得るにある。OBJECTS OF THE INVENTION The present invention provides a vibration isolating support device equipped with vibration isolating rubber that does not buckle like conventional vibration isolating rubber and can have smaller spring constants in compression and shear directions than conventional vibration isolating rubber.
発明の構成
固定台に植設固定したピンに、中央に中空部を有する防
振ゴムを中空部において挿入固定し、前記防振ゴムによ
り振動体を支持した防振支持装置において、前記防振ゴ
ムの形状を外部、内部に凹凸を有するベローズ形状にし
たことを特徴とする。Structure of the invention In a vibration isolating support device in which a vibration isolating rubber having a hollow part in the center is inserted and fixed in the hollow part to a pin implanted and fixed in a fixing base, and a vibrating body is supported by the vibration isolating rubber, the vibration isolating rubber It is characterized by having a bellows shape with unevenness on the outside and inside.
実施例の説明 第２図に本発明の防振支持装置の断面図を示す。Description of examples FIG. 2 shows a sectional view of the vibration isolation support device of the present invention.
図において、第１図と同一符号は同一部品、部分を示す
。In the figures, the same symbols as in FIG. 1 indicate the same parts and portions.
図において、（８）は中空で（８ａ）、（８ｂ）、（８
ｃ）、（８ｄ）の座屈部と凸部（８’ａ）、（８’ｏ）
、（ｓ’ｈ５ 、凹部（ｓ’ｂ）、（ｓ’ａ）を有する
ベローズ形状の防振ゴムで、固定台（５）と振動体（３
）を支承している支持板（４）の間においてピン（６）
に装着されている。In the figure, (8) is hollow and (8a), (8b), (8
c), (8d) buckling part and convex part (8'a), (8'o)
, (s'h5) A bellows-shaped vibration isolating rubber having recesses (s'b) and (s'a), which connects the fixed base (5) and the vibrating body (3).
) between the support plates (4) supporting the pin (6)
is installed on.
又、防振ゴム（８）の中空部は上部（８ｅ）を固定台（
５）に溶接して固定されたピン（６）に近接し、間隙を
保ち得る突出する円筒形環状部を、防振ゴム下部（８ｆ
）にはピン（６）に接触するように突出した環状部を一
体形成して防振ゴム（８）を構成する。In addition, the hollow part of the vibration isolating rubber (8) has an upper part (8e) attached to the fixing base (
The protruding cylindrical annular part that can maintain a gap is placed close to the pin (6) fixed by welding to the vibration isolating rubber lower part (8f).
) is integrally formed with a protruding annular portion so as to come into contact with the pin (6) to constitute a vibration isolating rubber (8).
ピン（６）は上部にねじ部（６ａ）を有し、下部は皿状
に成形されたつば部（６ｂ）が設けてあり、つば部（６
ｂ）は固定台（５）に溶接され、ピン（６）は固定台（
５）に固定されている。The pin (6) has a threaded portion (6a) at the top, and a dish-shaped collar (6b) at the bottom.
b) is welded to the fixing base (5), and the pin (6) is welded to the fixing base (
5) is fixed.
又、振動体（３）の支持板（４）は防振ゴム（８）の上
部外周面に設けた環状切込部（８ｇ）に嵌合されており
、支持板（４）を介して振動体（３）は支持されている
。（７）はワッシャ付ナツトでピン（６）の上部に設け
られたねじ部（６ａ）にねじ込まれ振動体（３）が固定
台（５）から抜は落ちないようになっている。Further, the support plate (4) of the vibrating body (3) is fitted into an annular notch (8g) provided on the upper outer circumferential surface of the vibration isolating rubber (8), and the vibration is transmitted through the support plate (4). The body (3) is supported. (7) is a nut with a washer that is screwed into a threaded portion (6a) provided at the top of the pin (6) to prevent the vibrating body (3) from falling off the fixed base (5).
本発明のような構造によれば、振動体（３）を支承する
際に、防振ゴム（８）の座屈部（８ａ）、（８の、（８
ｃ）、（８ｄ）が漸次圧縮方向にたわみ、座屈部（８ａ
）、（８の、（８ｃ）、（８ｄ）ノコム肉厚、ゴム硬度
又はベローズ形状部の最小外径寸法及び最大内径寸法な
どの設定により自由に圧縮方向たわみ量を設定すること
ができるため、第３図ａ図に示すように防振ゴム（８）
の圧縮方向のばね定数を非常に小さく設定することがで
きると共に、剪断方向のはね定数も防振ゴム（８）の形
状をベローズ形状としているため、第３図す図に示すよ
うに従来例に比較してがなり低くすることができるため
、防振性能を飛躍的に高めることができる。図において
、（Ａ）Ａ；ｉ従来例、（Ｂ）は本発明のものを示す。According to the structure of the present invention, when supporting the vibrating body (3), the buckling portions (8a), (8, (8) of the vibration isolating rubber (8)
c) and (8d) are gradually bent in the compression direction, and the buckling part (8a
), (8, (8c), (8d) Nocom Because the amount of deflection in the compression direction can be freely set by setting the wall thickness, rubber hardness, or the minimum outer diameter and maximum inner diameter of the bellows-shaped part, Anti-vibration rubber (8) as shown in Figure 3a.
The spring constant in the compression direction can be set very small, and the spring constant in the shear direction can also be set to a very small value because the vibration isolating rubber (8) has a bellows shape. Since the vibration can be lowered compared to the previous version, the vibration isolation performance can be dramatically improved. In the figure, (A) shows the conventional example, and (B) shows the one of the present invention.
第４図には従来の防振ゴム、第５図には本発明の防振ゴ
ム搭載時の空気調和機室外機外箱の振動分布を示したが
、本発明の防振ゴム（８）の防振性能が非常に優れてい
ることがゎがる。Figure 4 shows the vibration distribution of the air conditioner outdoor unit outer box when the conventional anti-vibration rubber is installed, and Fig. 5 shows the vibration distribution of the air conditioner outdoor unit outer box when the anti-vibration rubber of the present invention is installed. The great thing about it is that it has very good anti-vibration performance.
発明の効果
本発明は防振ゴムの形状を複数の座屈部を有するベロー
ズ形状としたことにより、圧縮、剪断方向のはね定数を
任意に設定でき、又防振性能を高めるためにはね定数を
十分に低くすることもてき得る構造を簡単な構造で大き
な防振効果が得られる。Effects of the Invention The present invention uses a bellows-shaped anti-vibration rubber having a plurality of buckling parts, so that the spring constant in the compression and shear directions can be arbitrarily set, and in order to improve the anti-vibration performance. A large vibration isolation effect can be obtained with a simple structure that allows the constant to be sufficiently low.
なお、本発明の防振装置の防振ゴムは振動体の重量及び
防振性能の目標値に合わせるように防振ゴムベローズ形
状部の座屈部の数を設定することもてき、特に座屈部の
数が限定されるものでない。Note that the number of buckling parts of the vibration-isolating rubber bellows-shaped part of the vibration-isolating rubber of the vibration-isolating device of the present invention can be set to match the weight of the vibrating body and the target value of vibration-isolating performance. The number of copies is not limited.
第１図（ａ）図、（ｂ）図は従来の防振支持装置の縦断
面図、第２図は本発明の防振支持装置の縦断面図、第３
図ａ図、ｂ図は本発明の防振ゴムと従来の防振ゴムの圧
縮、剪断方向の荷重−たわみ曲線の比較図、第４図、第
５図は本発明の従来の防振ゴム搭載時の空気調和機室外
機外箱の振動分布図、を示す。
３：振動体 ４：支持板 ５：固定台 ６：ピン６ａ：
ピンねじ部 ６ｂ；ピンつば部 ７：ワッシャ付ナツト
７ａ：ナントワツシャ ８：防振ゴム８ａ ％ ８ｂ
％ ８０ ％ ’ｓａ ’座屈部 ８’ａ 、 ８’
ｃ 、 ８’ｈ ：防振ゴム凸部 ８’ｂ −、ｓ’ａ
：防振ゴム凹部特許出願人 松下電器産業株式
会社代理人弁理士 阿 部 功（ＩＪツ
タ （６）FIGS. 1(a) and 1(b) are longitudinal cross-sectional views of a conventional anti-vibration support device, FIG. 2 is a longitudinal cross-sectional view of the anti-vibration support device of the present invention, and FIG.
Figures a and b are comparison diagrams of the load-deflection curves in the compression and shear directions of the anti-vibration rubber of the present invention and the conventional anti-vibration rubber. Figure 2 shows a vibration distribution diagram of the outer box of the outdoor unit of the air conditioner. 3: Vibrating body 4: Support plate 5: Fixed base 6: Pin 6a:
Pin screw part 6b; Pin collar part 7: Nut with washer 7a: Nant washer 8: Vibration isolating rubber 8a % 8b
% 80% 'sa'Buckled part 8'a, 8'
c, 8'h: Anti-vibration rubber convex portion 8'b-, s'a
: Anti-vibration rubber recess patent applicant Isao Abe (IJ Tsuta (6), patent attorney representing Matsushita Electric Industrial Co., Ltd.
Claims (1)
振ゴムを中空部において挿入固定し、前記防振ゴムによ
り振動体を支持した防振支持装置において、前記防振ゴ
ムの形状を外部、内部に凹凸を有ずろベローズ形状にし
たことを特徴とする防振支持装置。In a vibration isolating support device in which a vibration isolating rubber having a hollow part in the center is inserted and fixed in the hollow part to a pin planted and fixed on a fixed base, and a vibrating body is supported by the vibration isolating rubber, the shape of the vibration isolating rubber is A vibration-proof support device characterized by having a bellows shape with unevenness on the outside and inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4008383A JPS59166736A (en) | 1983-03-11 | 1983-03-11 | Vibro-isolating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4008383A JPS59166736A (en) | 1983-03-11 | 1983-03-11 | Vibro-isolating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59166736A true JPS59166736A (en) | 1984-09-20 |
Family
ID=12571001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4008383A Pending JPS59166736A (en) | 1983-03-11 | 1983-03-11 | Vibro-isolating device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59166736A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012021612A1 (en) * | 2010-08-12 | 2012-02-16 | E. I. Du Pont De Nemours And Company | Thermoplastic jounce bumpers |
| US10731722B2 (en) | 2015-02-18 | 2020-08-04 | E. I. Du Pont De Nemours And Company | Jounce bumper |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS583940U (en) * | 1981-06-24 | 1983-01-11 | 福廣 安修 | sand machine |
-
1983
- 1983-03-11 JP JP4008383A patent/JPS59166736A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS583940U (en) * | 1981-06-24 | 1983-01-11 | 福廣 安修 | sand machine |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012021612A1 (en) * | 2010-08-12 | 2012-02-16 | E. I. Du Pont De Nemours And Company | Thermoplastic jounce bumpers |
| US8657271B2 (en) | 2010-08-12 | 2014-02-25 | E I Du Pont De Nemours And Company | Thermoplastic jounce bumpers |
| US10737543B2 (en) | 2010-08-12 | 2020-08-11 | Dupont Polymers, Inc. | Thermoplastic jounce bumpers |
| US10731722B2 (en) | 2015-02-18 | 2020-08-04 | E. I. Du Pont De Nemours And Company | Jounce bumper |
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